package day04;

import java.util.Scanner;

/**
 * 说明:
 *
 * @author:SuZhongHe
 * @date:2023/2/15
 **/
public class ScannerDemo {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        double age = scan.nextDouble();
        System.out.println();

    }
}
